38
Troubleshooting
How to retrieve error codes
If the unit stops and the TIMER indicator blinks, use the remote control to retrieve the error code.
TIMER
SET
CANCEL
ON
OFF
SET CHECK CLOCK
RESET
AC
RC
TIMER
SET
CANCEL
ON
OFF
SET
CLOCK
RESET
AC
RC
Press for 5 seconds
until a code is
displayed
Press button
or
until
you hear beep sound, then
write down the error code
2
1
Press for 5 seconds
to quit checking
3
Turn the unit off and inform
the error code to an
authorised dealer.
4
Diagnostic display
Abnormality/Protection control
Outdoor
E06
Outdoor Unit Error In Receiving Signal from Indoor Unit
E12
Automatic Address Setting Start Prohibition
E14
Duplication of Main Unit in Group Control
E15
The Total Capacity of Indoor Units is Too Low
E16
The Total Capacity of Indoor Units is Too High
E20
Indoor/Outdoor Communication Wire Connection Abnormal
F04
Outdoor Compressor Discharge Temperature Sensor (TD) Abnormal
F06
Outdoor Heat Exchanger (Liquid) Temperature Sensor (C1) Abnormal
F07
Outdoor Heat Exchanger (Center) Temperature Sensor (C2) Abnormal
F08
Outdoor Air Temperature Sensor (TO) Abnormal
F12
Outdoor Compressor Suction Temperature Sensor (TS) Abnormal
F31
Outdoor Unit PCB EEPROM Abnormal
H01
Compressor Over Current Detected
H02
PAM/PFC Abnormal
H03
Primary Current CT Sensor Abnormal
H31
HIC Abnormal, DC Voltage Not Detected
L04
Duplication of Outdoor Unit Address
L10
Outdoor Unit Capacity Is Not Set Or Wrong Setting
L13
Indoor Unit Type Is Not Set Or Wrong Setting
L18
4-Way Valve Operation Abnormal
P03
Compressor Discharge Temperature Abnormal
P04
High Pressure Switch Is Activated
P05
AC Power Supply Abnormal
P07
HIC (IPM) Temperature Abnormal
P13
Refrigerant Valve Abnormal
P15
Insuf
fi
cient Refrigerant or Valve Closed
P16
Outdoor Compressor Over Current
P22
Outdoor Fan Motor Abnormal
P29
Outdoor Compressor Start-up Abnormal
P31
Indoor Unit Group Control Abnormal
ACXF55-32051_SS1021-1.indb 38
ACXF55-32051_SS1021-1.indb 38
13/10/2021 6:32:29 PM
13/10/2021 6:32:29 PM